US Bridges

Robb Ave Overpass over B&o Railroad - Robb Ave

Good

Allen County, Ohio · 0.27 MI E of Main ST · Structure no. 0237035

Built
1975
50 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
244 ft
3 main spans
Daily traffic
10,032
2015 count
Owner
County
County Highway Agency

About this bridge

Robb Ave Overpass over B&o Railroad - Robb Ave is a steel continuous stringer/multi-beam or girder carrying Robb Ave Overpass over B&o Railroad - Robb Ave in Allen County, Ohio. It was built in 1975, so it is 50 years old, older than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,032 vehicles a day, roughly 31% of them trucks, projected to reach 13,924 by 2035. The structure is 244 ft (74.4 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesRobb Ave Overpass
CrossesB&o Railroad - Robb Ave
Location0.27 MI E of Main ST
RouteCounty Highway 125
CountyAllen County
StateOhio
Coordinates40.75936, -84.10031
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating28.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length244 ft (74.4 m)
Longest span105 ft (32 m)
Deck width61 ft (18.6 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,032 (2015)
Projected traffic13,924 by 2035
Trucks31%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Robb Ave Overpass over B&o Railroad - Robb Ave built?

It was built in 1975, making it 50 years old in 2025.

What condition is Robb Ave Overpass over B&o Railroad - Robb Ave in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does Robb Ave Overpass over B&o Railroad - Robb Ave carry?

About 10,032 vehicles per day (2015 count), of which roughly 31% are trucks.

How long is Robb Ave Overpass over B&o Railroad - Robb Ave?

The structure is 244 ft (74.4 m) long with a longest span of 105 ft (32 m) and a deck 61 ft wide.

Who owns Robb Ave Overpass over B&o Railroad - Robb Ave?

It is owned by the County Highway Agency.